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  1. The mammalian genera Arctoryctes and Cryptoryctes from the Oligocene and Miocene of North America / Charles A. Reed -- and William D. Turnbull --.
    By: Reed, Charles A. - Nash, Edward G. - Turnbull, William D.,
    Publication info: [Chicago]Chicago Natural History Museum,1965.
    Contributed by: University of Illinois Urbana Champaign
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